311030232113000 has 64 divisors (see below), whose sum is σ = 727836410667600. Its totient is φ = 124407705235200.

The previous prime is 311030232112997. The next prime is 311030232113011. The reversal of 311030232113000 is 311232030113.

It can be written as a sum of positive squares in 8 ways, for example, as 11336729404036 + 299693502708964 = 3367006^2 + 17311658^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22958702 + ... + 33899298.

Almost surely, 2^{311030232113000} is an apocalyptic number.

It is an amenable number.

311030232113000 is an abundant number, since it is smaller than the sum of its proper divisors (416806178554600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

311030232113000 is a wasteful number, since it uses less digits than its factorization.

311030232113000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10969047 (or 10969033 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 311030232113000 its reverse (311232030113), we get a palindrome (311341464143113).

The spelling of 311030232113000 in words is "three hundred eleven trillion, thirty billion, two hundred thirty-two million, one hundred thirteen thousand".